| **RETIREMENT BENEFITS - Accumulated Benefit Obligations in Excess of Plan Assets (Details) - USD ($) $ in Millions** | Dec. 29, 2023 | Dec. 30, 2022 |
|----------------------------------------------------------------------------------------------------------------------|---------------|---------------|
| Pension                                                                                                              |          |          |
| **Defined Benefit Plan Disclosure [Line Items]**                                                                     |          |          |
| Accumulated benefit obligation                                                                                       | $ 225         | $ 6,698       |
| Fair value of plan assets                                                                                            | 60            | 6,472         |
| PBO                                                                                                                  | 226           | 6,699         |
| Fair value of plan assets                                                                                            | 60            | 6,472         |
| Other Benefits                                                                                                       |          |          |
| **Defined Benefit Plan Disclosure [Line Items]**                                                                     |          |          |
| PBO                                                                                                                  | 62            | 52            |
| Fair value of plan assets                                                                                            | $ 0           | $ 0           |

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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of plan asset for defined benefit pension plan with projected benefit obligation in excess of plan assets.
+ References
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| - Definition
Amount of projected benefit obligation for defined benefit pension plan with projected benefit obligation in excess of plan assets.
+ References
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| - Definition
Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets.
+ References
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| - Definition
Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets.
+ References
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| X                                                                                                                                                                                  |
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